/* ============================================================
   Wir bauen Traumhäuser – Landingpage
   ============================================================ */

:root {
  --ink: #1e2126;
  --ink-soft: #4a4f57;
  --paper: #faf8f5;
  --paper-warm: #f1ece4;
  --dark: #14161a;
  --dark-soft: #1d2026;
  --accent: #c19a5b;
  --accent-strong: #a97f3f;
  --accent-soft: rgba(193, 154, 91, 0.14);
  --white: #ffffff;
  --line: rgba(30, 33, 38, 0.12);
  --line-dark: rgba(255, 255, 255, 0.14);
  --font-display: "Cormorant Garamond", Georgia, serif;
  --font-body: "Jost", "Segoe UI", sans-serif;
  --shadow: 0 20px 50px rgba(20, 22, 26, 0.10);
  --radius: 6px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

[hidden] { display: none !important; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-weight: 300;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img, video { display: block; max-width: 100%; }

a { color: inherit; text-decoration: none; }

/* ============ Header / Navigation ============ */

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.4rem 3rem;
  transition: background 0.35s ease, padding 0.35s ease, box-shadow 0.35s ease;
}

.site-header.scrolled {
  background: rgba(20, 22, 26, 0.92);
  backdrop-filter: blur(12px);
  padding: 0.85rem 3rem;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
}

.wordmark {
  font-family: var(--font-display);
  font-weight: 500;
  font-style: italic;
  font-size: 1.35rem;
  letter-spacing: 0.16em;
  color: var(--white);
  white-space: nowrap;
}

.wordmark::after {
  content: "";
  display: block;
  width: 38%;
  height: 1px;
  margin-top: 3px;
  background: var(--accent);
  transition: width 0.4s ease;
}

.wordmark:hover::after { width: 100%; }

.main-nav {
  display: flex;
  align-items: center;
  gap: 2.2rem;
}

.main-nav a {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  transition: color 0.25s ease;
}

.main-nav a:hover { color: var(--accent); }

.main-nav .nav-cta {
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: 0.5rem 1.3rem;
  border-radius: var(--radius);
  transition: background 0.25s ease, color 0.25s ease;
}

.main-nav .nav-cta:hover {
  background: var(--accent);
  color: var(--dark);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

/* ============ Hero ============ */

.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  color: var(--white);
}

.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(8, 9, 11, 0.82) 0%, rgba(10, 12, 15, 0.55) 26%, rgba(10, 12, 15, 0.5) 55%, rgba(8, 9, 11, 0.8) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 780px;
  padding: 7rem 1.5rem 4rem;
  animation: heroFade 1.4s ease 0.2s both;
}

@keyframes heroFade {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-kicker {
  font-size: 0.82rem;
  font-weight: 400;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.4rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.8rem, 7vw, 5.2rem);
  line-height: 1.08;
  letter-spacing: 0.01em;
}

.hero h1 em {
  font-style: italic;
  color: var(--accent);
}

.hero-sub {
  margin: 1.6rem auto 2.4rem;
  max-width: 560px;
  font-size: 1.08rem;
  color: rgba(255, 255, 255, 0.88);
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.scroll-hint {
  position: absolute;
  bottom: 2.2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  width: 26px;
  height: 42px;
  border: 1.5px solid rgba(255, 255, 255, 0.6);
  border-radius: 14px;
}

.scroll-hint span {
  position: absolute;
  top: 8px;
  left: 50%;
  width: 3px;
  height: 8px;
  margin-left: -1.5px;
  border-radius: 2px;
  background: var(--accent);
  animation: scrollDot 1.8s ease-in-out infinite;
}

@keyframes scrollDot {
  0%   { transform: translateY(0); opacity: 1; }
  70%  { transform: translateY(14px); opacity: 0; }
  100% { transform: translateY(0); opacity: 0; }
}

/* ============ Buttons ============ */

.btn {
  display: inline-block;
  padding: 0.95rem 2.4rem;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
}

.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: var(--accent);
  color: var(--dark);
}

.btn-primary:hover { background: var(--accent-strong); color: var(--white); }

.btn-ghost {
  border-color: rgba(255, 255, 255, 0.55);
  color: var(--white);
}

.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

.btn-outline {
  border-color: var(--line-dark);
  color: var(--white);
}

.btn-outline:hover { border-color: var(--accent); color: var(--accent); }

.btn-block {
  display: block;
  width: 100%;
}

/* ============ Sections (shared) ============ */

.section { padding: 7rem 0; }

.section-dark {
  background: var(--dark);
  color: var(--white);
}

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container-narrow { max-width: 760px; }

.section-kicker {
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--accent-strong);
  text-align: center;
  margin-bottom: 0.9rem;
}

.section-dark .section-kicker { color: var(--accent); }

.section-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.1rem, 4.5vw, 3.2rem);
  line-height: 1.15;
  text-align: center;
  margin-bottom: 1.2rem;
}

.section-intro {
  max-width: 640px;
  margin: 0 auto 3.5rem;
  text-align: center;
  font-size: 1.05rem;
  color: var(--ink-soft);
}

.section-dark .section-intro { color: rgba(255, 255, 255, 0.75); }

/* ============ Scroll reveal ============ */

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============ Block 2: Materialien ============ */

.material-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.6rem;
}

.material-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 2.4rem 1.9rem;
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}

.material-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: var(--accent);
}

.material-icon {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent-strong);
  margin-bottom: 1.4rem;
}

.material-icon svg { width: 30px; height: 30px; }

.material-card h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.35rem;
  margin-bottom: 0.6rem;
}

.material-card p {
  font-size: 0.95rem;
  color: var(--ink-soft);
}

/* ============ Block 3: Kosten ============ */

.price-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.6rem;
  align-items: stretch;
}

.price-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--dark-soft);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  padding: 2.6rem 2.1rem;
  transition: transform 0.35s ease, border-color 0.35s ease;
}

.price-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
}

.price-card-featured {
  border-color: var(--accent);
  background: linear-gradient(170deg, rgba(193, 154, 91, 0.10) 0%, var(--dark-soft) 55%);
}

.price-badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: var(--dark);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 0.3rem 1rem;
  border-radius: 20px;
  white-space: nowrap;
}

.price-card h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.6rem;
  margin-bottom: 0.4rem;
}

.price-desc {
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 1.4rem;
  min-height: 3em;
}

.price-value {
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 1.6rem;
}

.price-value span {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.6);
}

.price-card ul {
  list-style: none;
  margin-bottom: 2rem;
  flex-grow: 1;
}

.price-card li {
  position: relative;
  padding: 0.45rem 0 0.45rem 1.7rem;
  font-size: 0.94rem;
  color: rgba(255, 255, 255, 0.85);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.price-card li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
}

.price-note {
  margin-top: 3rem;
  text-align: center;
  font-size: 0.98rem;
  color: rgba(255, 255, 255, 0.75);
}

.price-note strong { color: var(--accent); font-weight: 500; }

/* ============ Block 4: Bewertungen ============ */

.review-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.6rem;
}

.review-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 2.4rem 2rem;
  display: flex;
  flex-direction: column;
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.review-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}

.stars {
  color: var(--accent);
  font-size: 1.1rem;
  letter-spacing: 0.25em;
  margin-bottom: 1.2rem;
}

.review-card blockquote {
  font-family: var(--font-display);
  font-size: 1.18rem;
  font-style: italic;
  line-height: 1.5;
  flex-grow: 1;
  margin-bottom: 1.6rem;
}

.review-card footer strong {
  display: block;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.review-card footer span {
  font-size: 0.85rem;
  color: var(--ink-soft);
}

/* ============ Block 5: Kontakt ============ */

.contact-form {
  background: var(--dark-soft);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  padding: 2.6rem 2.4rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.4rem;
}

.form-field { margin-bottom: 1.4rem; }

.form-field label {
  display: block;
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0.5rem;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.98rem;
  font-weight: 300;
  transition: border-color 0.25s ease, background 0.25s ease;
}

.form-field select { cursor: pointer; }

.form-field select option {
  background: var(--dark-soft);
  color: var(--white);
}

.form-field input::placeholder,
.form-field textarea::placeholder { color: rgba(255, 255, 255, 0.35); }

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.08);
}

.form-field input.invalid,
.form-field select.invalid,
.form-field textarea.invalid { border-color: #d16a5a; }

.form-field input:disabled,
.form-field select:disabled,
.form-field textarea:disabled {
  background: rgba(255, 255, 255, 0.02);
  border-color: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.45);
  cursor: not-allowed;
  opacity: 1;
  -webkit-text-fill-color: rgba(255, 255, 255, 0.45);
}

.form-field select:disabled { cursor: not-allowed; }

.checkbox-label input:disabled ~ span,
.contact-form.is-submitted .form-field label {
  color: rgba(255, 255, 255, 0.4);
}

.contact-form.is-submitted .checkbox-label {
  cursor: not-allowed;
}

.contact-form.is-submitted .checkbox-label input:disabled {
  cursor: not-allowed;
}

textarea { resize: vertical; min-height: 120px; }

.form-consent { margin-bottom: 1.8rem; }

.checkbox-label {
  display: flex !important;
  align-items: flex-start;
  gap: 0.7rem;
  text-transform: none !important;
  letter-spacing: 0.02em !important;
  font-size: 0.88rem !important;
  cursor: pointer;
}

.checkbox-label input {
  width: auto;
  margin-top: 0.28em;
  accent-color: var(--accent);
}

.form-error {
  color: #e08373;
  font-size: 0.9rem;
  margin-bottom: 1.2rem;
  text-align: center;
}

.form-success {
  margin-top: 1.8rem;
  padding: 1.6rem;
  text-align: center;
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  background: var(--accent-soft);
}

.form-success p:first-child {
  font-family: var(--font-display);
  font-size: 1.3rem;
  margin-bottom: 0.3rem;
  color: var(--accent);
}

.form-success p:last-child {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.8);
}

/* ============ Footer ============ */

.site-footer {
  background: #0e1013;
  color: rgba(255, 255, 255, 0.65);
  padding: 3.5rem 0;
}

.footer-inner {
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  align-items: center;
}

.wordmark-footer {
  font-size: 1.2rem;
  color: var(--white);
}

.wordmark-footer::after { margin: 3px auto 0; }

.footer-meta { font-size: 0.9rem; }

.footer-nav {
  display: flex;
  gap: 1.6rem;
}

.footer-nav a {
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
  transition: color 0.25s ease;
}

.footer-nav a:hover { color: var(--accent); }

.footer-copy {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.35);
}

/* ============ Responsive ============ */

@media (max-width: 860px) {
  .site-header { padding: 1.1rem 1.4rem; }
  .site-header.scrolled { padding: 0.8rem 1.4rem; }

  .nav-toggle { display: flex; }

  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    width: min(78vw, 320px);
    flex-direction: column;
    justify-content: center;
    gap: 2rem;
    background: rgba(14, 16, 19, 0.97);
    transform: translateX(100%);
    transition: transform 0.35s ease;
  }

  .main-nav.open { transform: translateX(0); }

  .main-nav a { font-size: 1rem; }

  .nav-toggle { position: relative; z-index: 110; }

  .nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .wordmark { font-size: 1.05rem; letter-spacing: 0.1em; }

  .section { padding: 4.5rem 0; }

  .form-row { grid-template-columns: 1fr; gap: 0; }

  .contact-form { padding: 1.8rem 1.4rem; }

  .hero-actions .btn { width: 100%; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-content { animation: none; }
  .scroll-hint span { animation: none; }
}